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Science News for August 28, 2009


Depression and anxiety affect up to 15 percent of preschoolers

A new study published in the Journal of Child Psychology and Psychiatry found that up to 15 percent of preschoolers have atypically high levels of depression and anxiety. The investigation also revealed that children with atypically high depression and anxiety levels are more likely to have mothers with a history of depression.

SourceUniversity of Montreal·JournalJournal of Child Psychology and Psychiatry·DateAug 28, 2009

HIV subtype linked to increased likelihood for dementia

A new study by Johns Hopkins researchers reveals that HIV subtype D is associated with a significantly higher likelihood of developing dementia. The study found that nearly all (89%) patients infected with subtype D developed dementia, whereas only about 24% of those infected with subtype A showed signs of the condition.

SourceJohns Hopkins Medicine·JournalClinical Infectious Diseases·DateAug 28, 2009

Teetotallers more likely to be depressed

A new study finds that abstainers are more likely to report symptoms of depression than moderate drinkers, with those labeling themselves as 'abstainers' at the highest risk. Other factors like age and social isolation may contribute to this increased risk.

SourceWiley·JournalAddiction·DateAug 28, 2009

Patients who have material causing narrowing in neck artery removed rather than angioplasty have lower chance of narrowing recurring and subsequent stroke (CAVATAS study)

The CAVATAS study found that surgery reduces the risk of both short-term and long-term stroke, as well as repeat stenosis. Patients who underwent endovascular treatment had a higher incidence of restenosis and subsequent stroke compared to those who received surgery.

SourceThe Lancet_DELETED·JournalThe Lancet Neurology·DateAug 28, 2009

Counseling Outcome Research and Evaluation: New journal for 2010

Counseling Outcome Research and Evaluation (C.O.R.E.) will publish bi-annually, addressing topics such as treatment efficacy, clinical diagnosis, and program evaluation. The journal aims to promote the development and dissemination of knowledge on outcome research and program evaluation in counseling.

SourceSAGE·JournalCounseling Outcome Research and Evaluation·DateAug 28, 2009

Acoustic tweezers can position tiny objects

Researchers have developed acoustic tweezers that can position single cells or nanosized beads using sound waves, allowing for efficient manipulation without damaging live cells. The technology has significant advantages over existing methods in terms of versatility, miniaturization, and power consumption.

SourcePenn State·JournalLab on a Chip·DateAug 28, 2009

Handwriting-based tool offers alternate lie detection method

Researchers at the University of Haifa have developed a handwriting-based tool that measures physical properties of handwriting to detect deception. The tool shows promise in replacing verbal-based methods such as polygraphs, providing greater accuracy and ease for law enforcement.

SourceWiley·JournalApplied Cognitive Psychology·DateAug 28, 2009

Marine biomedicine researchers decode structure of promising sea compound

Marine biomedicine researchers have deciphered the structure of a naturally produced ocean-based compound hoiamide A, which offers a novel template for drug development. The findings suggest that hoiamide A may interact with neurons in different ways, potentially leading to therapeutic effects for diseases such as epilepsy and neurodeg...

SourceUniversity of California - San Diego·JournalChemistry & Biology·DateAug 28, 2009